Suggestions by @thepinkmenace

Jonathan Bailey

as Fred in A Christmas Carol

John Turturro

as Ebenezer Scrooge in A Christmas Carol

Anthony Hopkins

as Ebenezer Scrooge in A Christmas Carol

Noah Galvin

as Cameos in Superman: The Starlight Emperor

Deborah Ann Woll

as Cameos in Superman: The Starlight Emperor

Thomasin McKenzie

as Cameos in Superman: The Starlight Emperor

Britt Lower

as Cameos in Superman: The Starlight Emperor

Oliver Ritchers

as Cameos in Superman: The Starlight Emperor

Robbie Williams

as Cameos in Superman: The Starlight Emperor

CGI Character

as Doomsday in Superman: The Starlight Emperor

Spoiler

as Cameos in Superman: The Starlight Emperor

Jodie Foster

as Martha Kent in Superman: The Starlight Emperor

John Cusack

as Jonathan Kent in Superman: The Starlight Emperor

Brice Gonzalez

as Connor Queen in Superman: The Starlight Emperor

Brice Gonzalez

as Connor Queen in Superman: The Starlight Emperor

Harlo Haas

as The Robins in Superman: The Starlight Emperor

Dawson Littman

as The Robins in Superman: The Starlight Emperor

Spoiler

as The Robins in Superman: The Starlight Emperor

Sam Witwer

as Bruce Wayne in Superman: The Starlight Emperor

Mikey Madison

as Harley Quinn in Superman: The Starlight Emperor